Compressor



FIG. 1 is a side elevational view of a compressor showing my new design, the other side being a mirror image;

FIG. 2 is a rear end elevational view thereof;

FIG. 3 is a front end elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a compressor, as shown and described. 